Rainfed agriculture sustains millions of farmers in India, meeting 40 percent of India’s food demand. But the impact of a changing climate, including increased droughts and rising temperatures, threatens food production and farming patterns. Although Indian farmers are adapting to climate change by improving water and soil management, and planting drought-resistant crops in various parts of India, these often small-scale efforts do not reach the millions of others who need to adapt. Can adaptation activities spread across a large area to help millions of people adapt to climate change, especially in rainfed regions, where less than 40 percent of farmland is irrigated? Numerous small-scale adaptation projects are underway across India’s rainfed regions. One example is the Andhra Pradesh Drought Adaptation Initiative (APDAI) , initiated by the Andhra Pradesh State Government...